Radiology Flashcards
Box shaped heart seen in xray
Ebstein’s anomaly
Soap bubble sign on xray
Meconium ileus
(+) air bronchogram sign
pneumonia
popcorn calcification on
chest xray is seen in what condition?
pulmonary hamartoma (benign)
Cannonball or cottonball appearance on xray
pulmonary metastasis
Water lily sign
hydatid cyst
MC mediastinal mass?
thymoma
anterior mediastinal masses?
thymoma
thyroid
teratoma
terrible lymphoid
Bat wings appearance
CHF
Honeycomb lung
bronchiectasis
Deep sulcus sign
pneumothorax
- may be the only sign seen in supine view
widened mediastinum
aortic dissection
double lumen on CT
aortic dissection
characteristics of a malignant pulmonary nodule
size >3cm
spiculated
no calcifications
Deflection of mediastinum in atelectasis
towards the affected side
what is the minimum amount of fluid seen radiographically in chest PA, Lateal and decubitus?
chest PA - 300 mL
Lateral - 75 mL
Decubitus - 15-20 mL (left lateral decubitus)
pseudotumor/phantom tumor
loculated pleural effusion
Confirmatory views for pneumothorax
expiratory vie
lateral decubitus view
Unilateral pleural calcification
emphyema
Bilateral pleural calcification
asbestosis
apical cap sign, mediastinal widening of >8cm, obscured aortic knob, abnormal paraspinous stripes, NGT, ET and trachea displaced to the right
aortic transection
- rapid deceleration injuries
wedge-shape opacity in the periphery of the lung?
Hampton hump (P.E)
focal area of hyperlucency due to oligemia
Westermark sign
enlargement of the pulmonary artery
Palla’s sign
how many centimeters should the ET tube above the carina?
2-6 cm
Swan-Ganz catheter/pulmonary artery line
proximal pulmonary artey
used to estimate fetal stage during 1st trimester
crown rump length
steeple sign
acute larngyotracheobronchitis (croup) - parainfluenza
thumb print sign/swollen thumb sign
epiglotitis (cherry red epiglotitis) - H. influenzae
used to estimate fetal age in second trimester of pregnancy
biparietql diameter
abdominal circumference
head circumference
femur length
string of pearls on xray
Stine-levanthal syndrome (PCOS)
Small bowel obstruction
________________ is the overlapping of fetal skull bones. Seen on what condition
Spalding sign
IUFD
plain xray of the abdomen reveals presence of gas in the fetal aorta
Robert’s sign (IUFD)
Moth-eaten spine
Multiple myeloma
adnexal mass, free fluid in th cul de sac, (-) IUP
Ectopic pregnancy
- MC in ampulla
- MC cause is PID
burst fractur of C1 due to compression injury to the head
Jefferson fracture
fractur thru the bilateral pars interarticularis of C2 due to hyperextension injury
hangman fracture
oblique fracture thru C7 spinous process due to hyperflexion injury
clay shoveller’s fracture
anterior compression of vertebral body, horizontal fracture thru the spinous process. also called the seatbelt fracture
chance fracture
codman’s triangle seen on xray
osteogenic sarcoma
periosteal rxn
xray: irregular shape of fragmenting of the tibial tubercle
osgood schlatter disease
xray: flattening of the femoral head
legg calve perthes disease
an interface not visible when two areas of similar density overlap
silhouette sign
MC cause of fever post-op in the 1st 24 hrs?
atelectasis
Imaging: biconcave and end plate compression of vertebral bodies
fish vertebra (osteoporosis)
Bamboo spine
ankylosing spondylitis
Type of anterior shoulder fracture that involves the humeral head
Hill Sach fracture
Type of anterior shoulder dislocation that involves the glenoid labrum
Bankart fracture
is a radial shaft fracture with disruption of the distal radioulnar joint at the wrist
Galeazzi fracture
Fracture of the distal third of the humerus resulting in radial nerve entrapment
Holstein Lewis fracture
fracture through the shaft of the mid ulna
nightstick fracture
distal radial fracture with dorsal angulation
colles fracture
Xray was founded by
Wilhelm Conrad Roentgen
blade grass appearance in long bones
osteitis deformans